@charset 'utf-8';
*{margin: 0;padding: 0;font-family: 'Microsoft yahei',serif};
li{ list-style: none;}
body{
    overflow: hidden;
    user-select: none;
    -moz-user-select: -moz-none;
    -ms-user-select: none;
}
#box{
    position: relative;
    width: 512px;
    height: 768px;
    margin: 20px auto;
}
#map{
    overflow: hidden;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('img/bg_1.jpg')
}
#level{
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
}
#level h1{
    font-size: 40px;
    padding-top: 60px;
    padding-bottom: 150px;
    line-height: 60px;
    text-align: center;
    color: #fff;
}
#level p{
    margin: 30px auto;
    width: 200px;
    height: 35px;
    text-align: center;
    background: #fff;
    font-weight: bolder;
    cursor: pointer;
}
#level p:hover{
    background: pink;
    color: #fff;
}
#map .plane,#map .biu,#map .enemy,#map .boom,#map .boom2{
    position: absolute;
}
#map .plane{
    z-index: 8;
}
#map .biu{
    z-index: 10;
}
#map .boom2{
    z-index: 11;
    animation: bling 2s 1;
    animation-fill-mode: forwards;
}
#map .enemy{
    z-index: 9;
}
#map .boom{
    z-index: 7;
    animation: fade .8s 1;
    animation-fill-mode: forwards;
}
@keyframes fade {
    from{ opacity: 1; }
    to{ opacity: 0; }
}
@keyframes bling {
    0%{ opacity: 1; }
    20%{ opacity: 0; }
    40%{opacity: 1; }
    60%{opacity: 0;}
    80%{opacity: 1; }
    100%{opacity: 0;}
}
#score{
    display: none;
    position: absolute;
    top:10px;
    left:10px;
    color: #fff;
    line-height: 20px;
    font-size: 14px;
    font-weight: bold;
    z-index:20;
}
#restart{
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index:30;
}
#restart p{
    width: 300px;
    height: 40px;
    line-height: 20px;
    margin: 140px auto;
    color: #fff;
}
#restart p span{
    display: block;
    font-weight : bolder;
    font-size: 22px;
    text-align: center;
}
#restart .p1 span{
    color: red;
}
#restart .p2 span{
    color: #ffa80c;
}
#restart .p3{
    font-family: "楷体";
    font-size: 20px;
    width: 100px;
    height: 35px;
    background: rgb(255,255,255);
    background: rgba(255,255,255,.8);
    color: #000;
    font-weight: bolder;
    line-height: 35px;
    text-align: center;
    border-radius: 3px;
    cursor: pointer;
}
#restart .p3:hover{
    background: white;
}